Umbrella



FIG. 1 is a front elevational view of an umbrella, the rear elevational view being a mirror image of the front view.

FIG. 2 is a right side elevational view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a left side elevational view thereof. 

The ornamental design for an umbrella, as shown and described. 